1968 Evinrude Starflite 100 HP outboards Service Manual, Page 72Get this manual
Figure 6-27Checking Parallelism
Figure 6-29Checking Coil Resistance for continuityCheck for shorts between green and blue (forward and reverse) leads which could cause both coils to operate at onceThe green lead is for the "Forward" gear range and the blue lead is for the "Reverse"Assembly of Sub-AssembliesGearcase Head Seals and Needle Bearing
aInstall two new seals, one at time, in the gearcase head using Gearcase Head Seal Installer (Special Tool #311877) attached to drive Handle (Special Tool #311880) as shown in Figure 6-30The seals
Figure 6-28Repitching Propeller hInspect water pump impeller and replace if vanes are damaged or worn excessivelyInspect pump housing for scoring and replace if damagedInspect impeller housing plate and replace if scored or pittediInspect drive gears, pinion gear and thrust washers for wearReplace if wornjWash needle bearings in solvent such as SolvasolOil bearings immediately with clean, light spindle oil to prevent rustingInspect bearings for wearReplace if worn